notebookvb

2026-05-23 06:54:13 +02:00
parent bfa049e0c2
commit 13065aab94
11 changed files with 677 additions and 237 deletions
@@ -0,0 +1,84 @@
+#!/bin/bash
+set -x
+
+# ==========================================================
+# CONFIGURATION
+# ==========================================================
+CONTAINER_NAME="postgresql18"
+PG_HOST="localhost"
+PG_PORT="5432"
+PG_USER="vladimir.buzalka"
+export PGPASSWORD="Vlado7309208104++"
+
+UNRAID_NAME="tower"
+BASE_PATH="/mnt/user/Backup/Critical/PostgreSQLBackup"
+
+KEEP_DAYS=7
+KEEP_COUNT=7   # počet posledních záloh k udržení (mimo time-based)
+
+# ==========================================================
+# START
+# ==========================================================
+echo "Starting PostgreSQL full backup (pg_dumpall)"
+START_TS=$(date '+%Y-%m-%d %H:%M:%S')
+
+DATE=$(date +%Y-%m-%d_%H%M)
+FINAL_PATH="$BASE_PATH/$UNRAID_NAME/$DATE"
+mkdir -p "$FINAL_PATH"
+
+DUMP_FILE="$FINAL_PATH/all_databases.sql.gz"
+ERR_FILE="$FINAL_PATH/all_databases.err"
+
+# ==========================================================
+# DUMP + GZIP
+# pg_dumpall zachovává: všechny DB, role, tablespaces, grants
+# Streamuje přes stdout, nepotřebuje volume mount
+# ==========================================================
+docker exec \
+    -e PGPASSWORD="$PGPASSWORD" \
+    "$CONTAINER_NAME" \
+    pg_dumpall \
+        --host="$PG_HOST" \
+        --port="$PG_PORT" \
+        --username="$PG_USER" \
+        --clean \
+        --if-exists \
+    | gzip > "$DUMP_FILE" 2> "$ERR_FILE"
+
+EXIT_CODE=${PIPESTATUS[0]}
+
+# ==========================================================
+# VALIDATION
+# ==========================================================
+if [ $EXIT_CODE -eq 0 ] && [ -s "$DUMP_FILE" ] && [ ! -s "$ERR_FILE" ]; then
+    echo "SUCCESS: Full PostgreSQL backup completed"
+    echo "Dump size: $(du -h "$DUMP_FILE" | cut -f1)"
+    rm -f "$ERR_FILE"
+else
+    echo "ERROR: Backup failed"
+    echo "Exit code: $EXIT_CODE"
+    echo "Dump file:"
+    ls -lh "$DUMP_FILE" 2>/dev/null || echo "  (not created)"
+    echo "Error output:"
+    [ -s "$ERR_FILE" ] && cat "$ERR_FILE" || echo "  (no stderr output)"
+fi
+
+# ==========================================================
+# CLEANUP OLD BACKUPS
+# 1. Smaž zálohy starší než KEEP_DAYS dnů
+# 2. Z toho co zbyde, ponech jen posledních KEEP_COUNT
+# ==========================================================
+echo "Cleaning up old backups..."
+find "$BASE_PATH/$UNRAID_NAME" \
+    -mindepth 1 -maxdepth 1 -type d -mtime +$KEEP_DAYS \
+    -exec rm -rf {} \;
+
+# Nech jen posledních KEEP_COUNT záloh
+ls -td "$BASE_PATH/$UNRAID_NAME"/*/ 2>/dev/null \
+    | tail -n +$((KEEP_COUNT + 1)) \
+    | xargs -r rm -rf
+
+echo "------------------------------------------"
+echo "Backup task completed at $(date)"
+echo "Started at: $START_TS"
+set +x